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Engine Control System (SFI) - Diagnostics Expand All (for easy ctrl-f) Collapse All Definition Of Terms Part And System Name List Location How To Proceed With Troubleshooting Customer Problem Analysis Check Pre-Check Registration List Of Disable A Monitor O2S Test Result Checking Monitor Status Readiness Monitor Drive Pattern Diagnostic Trouble Code Table Terminals Of ECM Problem Symptoms Table DTC P0010, P0020: Camshaft Position "A" Actuator Circuit (Bank 1 & 2) DTC P0011, P0012, P0021, P0022: Camshaft Position "A"- Timing Over-Advanced Or System Performance/Timing Over-Retarded (Bank 1 & 2) DTC P0016, P0018: Crankshaft Position - Camshaft Position Correlation (Bank 1 & 2 Sensor A) DTC P0031, P0032, P0051, P0052: Oxygen (A/F) Sensor Heater Control Circuit Low/High (Bank 1 & 2 Sensor 1) DTC P0037, P0038, P0057, P0058: Oxygen Sensor Heater Control Circuit Low/High (Bank 1 & 2 Sensor 2) DTC P0100, P0102, P0103: Mass Or Volume Air Flow Circuit Low/High Input DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem DTC P0110, P0112, P0113: Intake Air Temperature Circuit Low/High Input DTC P0115, P0117, P0118: Engine Coolant Temperature Circuit Low/High Input DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: Throttle/Pedal Position Sensor/Switch "A & B" Circuit Low/High Input & Throttle/Pedal Position Sensor/Switch "A & B" Voltage Correlation DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) DTC P0136, P0137, P0138, P0156, P0157, P0158: Oxygen Sensor Circuit Malfunction Low/High Voltage (Bank 1 & 2 Sensor 2) DTC P0171, P0172, P0174, P0175: System Too Lean/Rich (Bank 1 & 2) DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: Random/Multiple Cylinder Misfire Detected & Cylinder 1-6 Misfire Detected DTC P0327, P0328, P0332, P0333: Knock Sensor 1 Circuit Low/High Input (Bank 1 & 2 Or Single Sensor) DTC P0335, P0339: Crankshaft Position Sensor "A" Circuit/Intermittent DTC P0340, P0341, P0345, P0346: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 & 2 Or Single Sensor) DTC P0351, P0352, P0353, P0354, P0355, P0356: Ignition Coil "A-F" Primary/Secondary Circuit DTC P0420, P0430: Catalyst System Efficiency Below Threshold (Bank 1 & 2) DTC P0441: Evaporative Emission Control System Incorrect Purge Flow DTC P0442, P0455, P0456: Evaporative Emission Control System Leak Detected (Small Leak/Gross Leak/Very Small Leak) DTC P0446: Evaporative Emission Control System Vent Control Malfunction DTC P0451, P0452, P0453: Evaporative Emission Control System Pressure Sensor Range/Performance Low/High Input DTC P0500, P0503: Vehicle Speed Sensor "A" Intermittent/Erratic/High DTC P0504: Brake Switch "A & B" Correlation DTC P0505: Idle Air Control System DTC P0560: System Voltage DTC P0604, P0606, P0607, P0657: Internal Control Module Random Access Memory (Ram) Error, ECM/Pcm Processor, Control Module Performance & Actuator Supply Voltage Circuit/Open DTC P0617: Starter Relay Circuit High DTC P0630: VIN Not Programmed Or Mismatch - ECM/Pcm DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) DTC P1645: Gateway Ecu Malfunction DTC P2102, P2103: Throttle Actuator Control Motor Circuit Low/High DTC P2111, P2112: Throttle Actuator Control System - Stuck Open/Closed DTC P2118: Throttle Actuator Control Motor Current Range/Performance DTC P2119: Throttle Actuator Control Throttle Body Range/Performance DTC P2120, P2122, P2123, P2125, P2127, P2128, P2138: Throttle/Pedal Position Sensor/Switch "D & E" Circuit Low/High Input & Throttle/Pedal Position Sensor/Switch "D & E" Voltage Correlation DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance DTC P2195, P2196, P2197, P2198: Oxygen (A/F) Sensor Signal Stuck Lean/Rich (Bank 1 & 2 Sensor 1) DTC P2237, P2238, P2239, P2240, P2241, P2242, P2251, P2252, P2253, P2254, P2255, P2256: Oxygen Sensor Pumping Current Circuit/Open Low/High (For A/F Sensor) (Bank 1 & 2 Sensor 1) & Oxygen Sensor Reference Ground Circuit/Open Low/High (For A/F Sensor) (Bank 1 & 2 Sensor 1) DTC P2A00, P2A03: A/F Sensor Circuit Slow Response (Bank 1 & 2 Sensor 1) EVAP Inspection Procedure ACIS Control Circuit Air Intake Control Circuit ECM Power Source Circuit Fuel Pump Control Circuit Mil Circuit TC Terminal Circuit